Παραπομπή σε μορφή APA (7η εκδ.)

Oelkers, J. Elementary textbooks in the 18th century and their theory of the learning child. Scholarly knowledge : textbooks in early modern Europe.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Oelkers, Jürgen. "Elementary Textbooks in the 18th Century and Their Theory of the Learning Child." Scholarly Knowledge : Textbooks in Early Modern Europe .

Παραπομπή σε μορφή MLA (8th εκδ.)

Oelkers, Jürgen. "Elementary Textbooks in the 18th Century and Their Theory of the Learning Child." Scholarly Knowledge : Textbooks in Early Modern Europe, .